Methods and apparatus to translate and manage product data are disclosed. A disclosed example system for translating and managing product data pertaining to a plurality of tenants includes a rules executor to verify, based on product attribute rules, that requested product attributes pertaining to a product request from a buyer are valid, an attribute translator to generate platform standard attributes of products corresponding to the tenants, where the attribute translator is to translate tenant-specific product attributes to the platform standard attributes based on the tenant-specific product attributes and the product attribute rules, and an equivalency evaluator to evaluate an equivalency of the products based on the requested product attributes and output the equivalency. The equivalency evaluator is to store the equivalency.